Planets, asteroids, and satellites shine only by reflected sunlight.
行星、小行星和卫星都是靠反射太阳光而发光的。
Meteoroids or other space rocks smashed into the newly-forming planets and moons.
陨石或者其它太空岩石猛裂撞击形成不久的行星和卫星。
A natural satellite revolving around a planet.
（行星的）卫星围绕行星运转的天然卫星
The branch of astronomy that deals with the planets, satellites, and meteors of the solar system.
行星学天文学的一个分支，研究太阳系中的行星、卫星和流星
greatest eastern elongation
(内行星,卫星) 东大距
The smaller Rocky worlds are Mercury, Venus, Earth and Mars. The four huge gas planets are Jupiter, Saturn, Uranus and Neptune.
类地行星是水星、星、球和火星。四类木行星木星、星、王星和海王星。
The satellite of Saturn that is tenth in distance from the planet.
卡吕普索土星的卫星，是该行星的第十远的卫星
Correlations of satellite positions and ring features occur in the Jovian, Uranian and Neptunian systems as well.
在木星、天王星、海王星的系统中，卫星的位置也和行星环的特性密切相关。
The classical planets are: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
这八颗经典行星分别是：水星、金星、火星、木星、土星、天王星和海王星。
transit navigation satellite system
“经行式”航行卫星系统
satellite uplink and downlink services
卫星上行及下行服务
planetary and interplanetary probe
行星和行星际探测器
Jupiter has fourteen moons, the largest number of any planet.
木星拥有十四个卫星，是所有行星中卫星最多的一个。
Enhanced SDRAM ESDRAM Ice-Sheet Research with ERS-1 ERS-1
号卫星进行的冰盖研究
circum earth orbit
地球卫星的环行轨道
orbit of artificial earth satellite
人造地球卫星运行轨道
A satellite stays in orbit,
卫星沿着轨道运行，
worship of planets or stars.
对行星和恒星的崇拜。